Whirlpool sign

The Whirlpool sign, also known as the Whirl sign,^[1] is related to mesentery when the bowel rotates around the mesentery causing a swirling appearance of the mesentery around the mesenteric vessels.^[2]

It can also be related to ovaries when twisting of the vascular pedicle of the ovaries takes place.^[3]^[4]

References

^ Huang, Yu Min; Wu, Chin Chia Jimmy (13 August 2012). "Whirl sign in small bowel volvulus". Case Reports. 2012: bcr2012006688. doi:10.1136/bcr-2012-006688. ISSN 1757-790X. PMC 4543747. PMID 22891028. S2CID 15119908.
^ Epelman, Monica (1 September 2006). "The Whirlpool Sign". Radiology. 240 (3): 910–911. doi:10.1148/radiol.2403040370. ISSN 0033-8419. PMID 16926336. Retrieved 11 May 2022.
^ Vijayaraghavan, S. Boopathy (December 2004). "Sonographic whirlpool sign in ovarian torsion". Journal of Ultrasound in Medicine. 23 (12): 1643–1649, quiz 1650–1651. doi:10.7863/jum.2004.23.12.1643. ISSN 0278-4297. PMID 15557307. S2CID 5778860.
^ Valsky, D. V.; Cohen, S. M.; Hamani, Y.; Lipschuetz, M.; Yagel, S.; Esh-Broder, E. (August 2009). "Whirlpool sign in the diagnosis of adnexal torsion with atypical clinical presentation". Ultrasound in Obstetrics and Gynecology. 34 (2): 239–242. doi:10.1002/uog.7310. PMID 19644943. S2CID 38278005. Retrieved 11 May 2022.

v t e Radiologic signs
Breasts	Acorn cyst sign Teacup sign
Cardiovascular	Aortic unfolding Aortic nipple sign Cœur en sabot Dense artery sign Halo sign High-attenuation crescent sign Water bottle heart
Gastrointestinal	Bowler hat sign Coffee bean sign Colon cut-off sign Comb sign Cupola sign Double bubble Double duct sign Endoexoenteric Football sign Hampton's line Hot quadrate sign Klemm's sign Leadpipe colon Mercedes-Benz sign Mumoli's sign Omental cake Pneumatosis intestinalis Pyloric tit sign Rigler's sign Rigler's triad Sentinel loop Small bowel faeces sign Stepladder sign Whirlpool sign
Musculoskeletal	Absent bowtie sign Anteater nose sign Blade of grass sign Brim sign Celery stalking Cheerio sign Cockade sign Codfish vertebra Corduroy sign Crescent sign Dagger sign Deep lateral femoral notch sign Double posterior cruciate ligament sign Dripping candle wax sign Empty vertebral body sign Fabella sign Fairbank's changes Fat pad sign/Sail sign of the elbow Gilula's lines Growth arrest lines Hilgenreiner's line Honda sign J-shaped sella sign Klein's line Licked candy stick appearance Light bulb sign Napoleon hat sign Notching of the ribs Osteopathia striata Pencil-in-cup sign Perkin's line Polka dot sign Popcorn calcification Sandwich vertebra Scottie dog sign Shiny corner sign Terry-Thomas sign Thurstan Holland sign Trethowan's sign
Neurological	Boomerang sign Dense artery sign Dense MCA sign Dural tail sign Empty sella sign Eye of the tiger sign Face of the giant panda sign Hot nose sign Hotcross bun sign Insular ribbon sign White cerebellum sign
Oncological	Bowl of grapes sign Misty mesentery sign
Respiratory	Air crescent sign Bat wing appearance Black pleura sign Cannonball sign Chang sign Comet tail sign Continuous diaphragm sign Cottage loaf sign Crazy paving Deep sulcus sign Double bronchial wall sign Falciform ligament sign Fleischner sign Golden S sign Ground-glass opacity Hampton hump Hilum overlay sign Holly leaf sign Juxtaphrenic peak sign Kerley lines Knuckle sign Mediastinal shift Palla's sign Peribronchial cuffing Sail sign of the chest Silhouette sign Steeple sign Thumbprint sign Traction bronchiectasis Tree-in-bud sign Westermark sign
Urogenital	Bear paw sign Canga's bead symptom Drooping lily sign Faceless kidney sign Fishhook ureter sign Jackstone calculus Maiden waist deformity Putty kidney
Other	Mickey Mouse sign Rice grain calcification Ring-enhancing lesion Tram track Water lily sign

Whirlpool sign

References

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